Bug 6409 – std.array.empty for associative arrays too

I suggest to extend std.array.empty to work with associative arrays too: import std.array; void main() { int[] a; assert(a.empty); // OK int[int] aa; assert(aa.empty); // Error } DMD 2.054: test.d(6): Error: template std.array.empty(T) does not match any function template declaration test.d(6): Error: template std.array.empty(T) cannot deduce template function from argument types !()(int[int])

What's the rationale? Why not just aa.length == 0?

I agree with @JackStouffer here, I don't see the point when you have aa.length. Should we close this?

Let's support empty for AAs for uniformity. Thanks.

PR: https://github.com/dlang/phobos/pull/5726

Commits pushed to master at https://github.com/dlang/phobos https://github.com/dlang/phobos/commit/bf1c17838214d596f6e388929ad7e22147ba09f8 Fix Issue 6409 - std.array.empty for associative arrays too https://github.com/dlang/phobos/commit/5a9cbe9c30647f1acc9736adaf33eca63693e706 Merge pull request #5726 from RazvanN7/Issue_6409 Fix Issue 6409 - std.array.empty for associative arrays too merged-on-behalf-of: Sebastian Wilzbach <[email protected]>

Commits pushed to stable at https://github.com/dlang/phobos https://github.com/dlang/phobos/commit/bf1c17838214d596f6e388929ad7e22147ba09f8 Fix Issue 6409 - std.array.empty for associative arrays too https://github.com/dlang/phobos/commit/5a9cbe9c30647f1acc9736adaf33eca63693e706 Merge pull request #5726 from RazvanN7/Issue_6409